Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 20-02-2024 and time 10:40:27 (UTC) in region 3 km W Serra Sant'Abbondio (PU)

A magnitude ML 0.4 earthquake occured in region: 3 km W Serra Sant'Abbondio (PU), on

  • 20-02-2024 10:40:27 (UTC)
  • 20-02-2024 11:40:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4840, 12.7400 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serra Sant'Abbondio PU 3 1027 1027
Frontone PU 4 1300 2327
Cantiano PU 9 2245 4572
Cagli PU 10 8731 13303
Scheggia e Pascelupo PG 11 1393 14696
Sassoferrato AN 11 7285 21981
Pergola PU 12 6333 28314
Costacciaro PG 14 1216 29530
Acqualagna PU 16 4393 33923
Arcevia AN 16 4612 38535
Genga AN 17 1797 40332
Sigillo PG 17 2404 42736
Gubbio PG 19 32216 74952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Fano (60888 inhabitants)
50 Km S of Pesaro (94582 inhabitants)
51 Km NE of Perugia (166134 inhabitants)
59 Km N of Foligno (57155 inhabitants)
65 Km W of Ancona (100861 inhabitants)
66 Km S of Rimini (147750 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
83 Km SE of Cesena (96758 inhabitants)
100 Km SE of Forlì (117913 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.4 2024-02-20
10:40:27		 43.4845 12.7402 14 2024-02-20
10:57:59		 Sala Sismica INGV-Roma 125392711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-20 10:40:27 ± 0.05
Latitude 43.4845 ± 0.0018
Longitude 12.7402 ± 0.0025
Depth (km) 14 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125392711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 233
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17087
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 125392711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-20 10:57:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2024-02-20T10:41:20.17 3.0 undecidable manual Sg 10.55 0
ZO.PDN2.EHZ. 2024-02-20T10:41:15.66 3.0 negative manual Pg 8.86 0
MN.SENA.HHZ. 2024-02-20T10:41:13.22 3.0 undecidable manual Sn -3.94 0
IV.CTL8.HHZ. 2024-02-20T10:41:09.63 3.0 undecidable manual Pn 0.27 0
GU.CANO.HHZ. 2024-02-20T10:41:07.99 3.0 undecidable manual Pn 0.34 0
IV.MTRA.HNZ. 2024-02-20T10:41:07.99 3.0 undecidable manual Sg 5.89 0
IV.IMOL.HNZ. 2024-02-20T10:40:45.35 3.0 negative manual P -3.73 0
IV.PIEI.HHZ. 2024-02-20T10:40:34.64 0.6 undecidable manual S 289 17.4714 114 0.02 49
IV.MPAG.EHZ. 2024-02-20T10:40:34.31 0.6 undecidable manual S 6 16.1727 117 0 49
IV.FRON.EHZ. 2024-02-20T10:40:32.08 0.6 undecidable manual S 343 3.8961 161 -0.03 50
IV.SSFR.HHZ. 2024-02-20T10:40:32.37 0.6 undecidable manual S 148 6.2937 150 -0.01 50
IV.NARO.HHZ. 2024-02-20T10:40:31.81 0.1 undecidable manual P 318 18.9699 111 0.05 98
IV.MPAG.EHZ. 2024-02-20T10:40:31.31 0.1 undecidable manual P 6 16.1727 117 -0.04 98
IV.PIEI.HHZ. 2024-02-20T10:40:31.48 0.1 undecidable manual P 289 17.4714 114 -0.06 98
IV.SSFR.HHZ. 2024-02-20T10:40:30.29 0.1 undecidable manual P 148 6.2937 150 0.05 100
IV.FRON.EHZ. 2024-02-20T10:40:30.16 1.0 undecidable manual P 343 3.8961 161 0.08 25
IT.VNF1.HNZ. 2024-02-20T10:40:27.26 3.0 undecidable manual Sg -1.93 0
IV.TDS.HHZ. 2024-02-20T10:39:46.73 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.9 0.00010165497999999999 0.064 AML other m 2024-02-20T10:40:32.13
IV.FRON.EHN. ML:1.0 0.00011710155 0.064 AML other m 2024-02-20T10:40:32.43
IV.SSFR.HHN. ML:0.3 0.000025052249999999997 0.1216 AML other m 2024-02-20T10:40:32.75
IV.MPAG.EHN. ML:0.1 0.000011012585000000001 0.1216 AML other m 2024-02-20T10:40:34.44
IV.MPAG.EHE. ML:0.4 0.000017721555 0.1024 AML other m 2024-02-20T10:40:34.44
IV.PIEI.HHN. ML:0.1 0.000011341373 0.1024 AML other m 2024-02-20T10:40:34.84
IV.PIEI.HHE. ML:0.5 0.000024749015 0.0832 AML other m 2024-02-20T10:40:34.86
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download